Pipe - what is it?
A pipe is a tubular section or hollow cylinder, usually but not necessarily of circular cross-section, used mainly to convey substances which can flow ? liquids and gases (fluids), slurries, powders and masses of small solids. It can also be used for structural applications; hollow pipe is far stiffer per unit weight than solid members.
Both "pipe" and "tube" imply a level of rigidity and permanence, whereas a hose (or hosepipe) is usually portable and flexible. Pipe assemblies are almost always constructed with the use of fittings such as elbows, tees, and so on, while tube may be formed or bent into custom configurations. For materials that are inflexible, cannot be formed, or where construction is governed by codes or standards, tube assemblies are also constructed with the use of tube fittings.
Źródło: https://en.wikipedia.org/wiki/Pipe_(fluid_conveyance)
An invoice for the work done by a plumber
After completing the plumbing major plumbing work, for example, when building a house, it organized the reception of work, during which an assessment is made of the works. It was only after their positive assessment of the property owner will be issued an invoice for the work done so far. Sometimes you may find that the final valuation of the work performed will be higher than the initial estimate. If such an increase in fees for services is justified, then the property owner will be obliged to pay them in full. The increase in fees can be, for example, to provide wholesalers defective materials that had to be exchanged for others. Accordingly, the need to be able to repair the water system already formed, which generated extra costs.
Replacing bathroom tiles
The services provided by a trusted plumber may include installation of bathroom tiles. Part plumbers standard also performs services tiling. The combination of exchange plates with a review of the hydraulic may be less expensive than using in a short time, the services of two experts. Replacement plates are combined, because the removal of old tiles, during which you can review the water supply, sewerage and carry out the necessary repair parts connections or clear partially clogged sewer pipes. This way you will not need to remove the newly installed bathroom tiles because of some failure of the hydraulic. This is all the more important that the available for sale tiles allow you to create the bathroom of real composition.